<classSpec ident="att.pitchClass" module="MEI.analytical" type="atts">
<desc xml:lang="en">Attributes that describe pitch class.</desc>
<attList>
<attDef ident="pclass" usage="opt">
<gloss xml:lang="en">pitch class</gloss>
<desc xml:lang="en">Holds pitch class information.</desc>
</attDef>
</attList>
</classSpec>